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Apple’s $191 Billion Single-Day Surge Sets Stock-Market Record

An Apple store in Sydney, Australia.

An Apple store in Sydney, Australia.

Photographer: Brent Lewin/Bloomberg

Apple Inc.’s surge Thursday was one for the record books.

The world’s most valuable company added $190.9 billion in market value, the most ever by a US-listed company, as softer-than-expected inflation data buoyed equity markets across the board. The jump eclipsed Amazon.com Inc.’s $190.8 billion gain in February, according to data compiled by Bloomberg.